recommended system requirement: 

Operating System: Windows 8/8.1/10 64 bit

CPU: Intel i5-2550K @ 3,4 Ghz

RAM: 8GB

storage: 15 GB

graphics card:  ATI Radeon HD 6870, NVIDIA GTX 460

DirectX: 11

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minimal system requirements:

Operating System: Windows 7/8/8.1 64 bit

CPU: Intel Core i3-2100 @ 3,1 GHz

RAM: 4GB

storage: 15 GB

graphics card: ATI Radeon HD 5770, NVIDIA GTX 650

DirectX: 11